Knowledge and timber shouldn't be much used till they are seasoned.

Most of us retain enough of the theological attitude to think that we are little gods.

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.

Old age is like an opium dream. Nothing seems real except the unreal.

The best of a book is not the thought which it contains, but the thought which it suggests; just as the charm of music dwells not in the tones but in the echoes of our hearts.

I have always sought to guide the future-but it is very lonely sometimes trying to play God.

I think it not improbable that man, like the grub that prepares a chamber for the winged thing it never has seen but is to be - that man may have cosmic destinies that he does not understand.